I grabbed the original white blank triangle from a picture of an obtuse triangle on wikipedia or some sh*t so I would hope it's obtuse since the only thing I changed was the size but kept the 1:1 ratio and the rotation of it to fit on the warden's neck and to fit his shrunken and stretched head in after I erased his unaltered head from the blinds (you can see where I edited the blinds if you save the gif and look at it frame by frame).